<script>
function mo_form_tim(){
    var ms_linh_vuc=document.frmTimtv.ms_linh_vuc.value;
	document.frmTimlvtd.submit();
	}
</script>
<div class="gadget">	
	<div class="search">
            <form name="frmTimlvtd" action="index.php?noidung=timlvtd" method="post">
              <span>
              <input type="text"  value="Tìm kiếm..." name="txttimlvtd" id="txttimlvtd" />
              <input name="searchsubmit" type="image" src="images/search.gif" value="Go" id="searchsubmit" class="btn" onClick="mo_form_tim()" />
              </span>
            </form>
            <div class="clr"></div>
	 </div>
</div>
	 